OpenTechnical

OT-2026-000060112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060112) never changes.

Identity and time

Publication numberOT-2026-000060112 · never reused
Internal UUID01a0ae8a-5a71-747b-96ef-a0a13c564fe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060112
StatusPUBLIC

Content hashes

Canonical textf6c3e65bb7b308f58a4c04df850ae350357a6c0f4463c63b6bd7ed14073ade98
Markdown0c6b415ba3920090682608b4730511b1aad4af5ec957ebcd27dcc9445459b9f8
PDF
Publication page396df2a9d20598adda3db29d6eee0efc5fb809e6ab2317e20ed90cc16a850087
Manifest87dd8af25280ff02e4ddc25a0a4713b2126258b1dda740ad86254cf387310b86

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaOOtriYea7j2F7wtN90lX6scks98A9T12b/KQSdzlF4fDk364BP1lk+ZzZAnGP+bzzf3ImLXs9ni/dVvQFnCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:45.527240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060112
observed 396df2a9d20598adda3db29d6eee0efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.507959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060112/manifest.json
observed 87dd8af25280ff02e4ddc25a0a4713b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.488414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060112/publication.md
observed 0c6b415ba3920090682608b4730511b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:45.471347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060112/publication.txt
observed f6c3e65bb7b308f58a4c04df850ae350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.